User`s manual

OEM User’s Manual 113
E.3 Using the Serial Communication Accessory Board
The Serial Communication accessory board provides the user with RCM5600W connection
points brought out conveniently to labeled points below header J2. The pinouts for header
socket J2 and the RS-232 headers at J3 and J4 are shown in Figure E-4.
Figure E-4. Serial Communication Accessory Board Pinout
The remaining RS-232 header positions at J5 and J6, and the RS-485 screw-terminal
header position at J1 are unstuffed.
Note:
These pinouts are as seen on
the Top Side.
TxD
RxD
GND
CTSD RTSD
J3
TxC
RxC
GND
J4
+3.3 V
PE0
PE2
PE5
PE7
PD0
PD2
/RESET_IN
+3.3 V
PC0
PC2
PC4/TxB
PC6/TxA
PB0/SCLKB
PB2
PB4
PB6
+3.3 V
PA0
PA2
PA4
PA6
/IORD
STATUS
+3.3 V
GND
PE1
PE3
PE6
SMODE
PD1
PD3
/RESET
GND
PC1
PC3
PC5/RxB
PC7/RxA
PB1/SCLKA
PB3
PB5
PB7
GND
PA1
PA3
PA5
PA7
/IOWR
VBAT_EXT
GND
J2